on 07-18-2006 12:03 PM
Hi all,
I was doing some FlightCheck WD appl that would retrieve data from R/3. For this I have created a model that can access this data. I deployed successfully, and ran the appl. The error i got is:
Failed to process request.
com.sap.tc.webdynpro.services.exceptions.WDTypeNotFoundException: type com.sap.demo.flightchecking.model.types.S_Carr_Id could not be loaded: com.sap.dictionary.runtime.DdException:
Let me know the answers for these questions:
<b>1. Is it necessary that all the tables that we are going to use must contain data.
2. What else to be inorder to run this type appls?I mean
JCo Connections/Destinations?</b>
What JCo connections needs to be maintained.
Please answer me, or has any one done the scenarios like
accessing Bapi functions(r/3).
Regards,
Ganesh
Hi,
These are the prerequisites to deploy and run an application that calls a RFC from R/3
1)System Land scape is ready
2)JCO Destinations are set
check you have properly imported model, excuting model
Refer this tutorial
http://sdn.sap.com->Application server->WebDynpro->Web Dynpro Sample Applications and Tutorials
Accessing ABAP Functions in Web Dynpro (4)
Hope this helped you
Regards,
RK
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Hi ganesh,
This is occording to the Message Service.
Please configure the message service in the C:\WINDOWS\system32\drivers\etc\services file
the message server name and port.like
sapmsNAME 3600/tcp
I got the problem earlier and solve that like this.
Please configure this and check it
Kind Regards
Mukesh.
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Hi Ganesh,
1. Check you are using correct Name Space in SLD and in service File for message service.
2.Are you create the JCO for WD_MODELDATA_DEST in Application Data->Single Server Connection? and
WD_CVEMP_RFC_METADATA_DEST in Dictionary Meta Data?
and in step 3.2 Msg. Server Connection please check you have give the correct name for Message Server and Logon Group.
I referred the flight ticket pdf only for the guidence
Kind Regards
Mukesh
Hi Mukesh,
>>1. Check you are using correct Name Space in SLD and in service File for message service.
>>2.Are you create the JCO for WD_MODELDATA_DEST in Application Data->Single Server Connection? and
regarding 3rd point, while creating Model I have checked Single server so while creating JCo also I selected Single server. But in the PDF I referred they selected Load balancing in both cases.
How to set params for creating Load Balancing....
Please help me
regards,
Ganesh
Hi,
I have a situation where the WD_MODELDATA_DEST was created successfully. However, the WD_RFC_METADATA_DEST demands Load balancing. Our environment is not set up for J2EE load balancing (according to our hosting friends). Is there any way to get around it? What's involved in setting up J2EE cluster for load balancing?
Appreciate any pointer..
Thanks
Hi,
The purpose of load balancing is to distribute inbound requests optimally to the available resources.
To read on "Load Balancing of the SAP Web AS" refer to, http://help.sap.com/saphelp_nw04/helpdata/en/b5/e8239ef7bd494f896a84625d4b688f/frameset.htm
and to SAP Note No.772561 - "Configuring J2EE Engine loadbalancing features".
Regards
Srinivasan T
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